Atlas / NTSB / SEA76FYC17

NTSB CAROL · Event

Event SEA76FYC17

1975-09-07 HILLSBORO, Oregon, United States Serious 1 aircraft Status: Completed

Aircraft involved

N9266L GRUM AMER AA5 Serious

Historical record (pre-1982)

NTSB recorded this accident in the pre-1982 coded-field schema — structured fields rather than free-text narrative. Decoded codes use established NTSB single-letter taxonomies; cause factors remain verbatim pending the Form 6120.4 codebook lookup.

Aircraft

GRUM AMER AA5 · N9266L

Damage

Substantial

Craft type

Airplane

Classification

Accident

Light condition

Dawn

Weather

VMC

Phase of flight

EE

Operator type

Personal/private

Airport

TWIN OAKS AIRPARK

Kind of flying

B0

Weather at impact

Sky

CLEAR

Temp

80° F

Aircraft history

Serial number

0000AA5-0206

Total time

2,043 hrs

Pilot

Certificate

Commercial — instrument

Total hours

93

Age

35

Probable cause (from PRE1982.MDB)

VINE INTO TREES.

Investigator remarks

T/D 700FT FM DEP END OF NORTH RWY.CONT ACROSS RA

Cause factors

64/C/46 C
PILOT IN COMMAND MISJUDGED DISTANCE AND SPEED Cause
64/C/82 C
PILOT IN COMMAND FAILED TO INITIATE GO-AROUND Cause
64/K/71 K
PILOT IN COMMAND MISUSED OR FAILED TO USE FLAPS Joint factor
88/K/DH K
MISCELLANEOUS ACTS,CONDITIONS RAN OFF END OF RUNWAY Joint factor
83/K/F K
TERRAIN ROUGH/UNEVEN Joint factor

Decoded against the NTSB Form 6120.4 cause-factor codebook (ct_Pre1982 table). Each row shows the raw triplet, modifier (Cause / Factor / etc.), category, and specific code.

Source: NTSB pre-1982 historical archive. Docket 3 3221. Source file NTSB_1975_3_3221.txt. Modern CAROL record on data.ntsb.gov ↗.

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